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122002009979 = 3123916466731
BaseRepresentation
bin111000110011111100…
…0101110111101111011
3102122220112022020220012
41301213320232331323
53444330003304404
6132014050252135
711546215655123
oct1614770567573
9378815266805
10122002009979
1147816a54923
121b78a28704b
13b673bb6565
145c951a5c83
153290b13a6e
hex1c67e2ef7b

122002009979 has 8 divisors (see below), whose sum is σ = 126464501760. Its totient is φ = 117572452200.

The previous prime is 122002009967. The next prime is 122002010071. The reversal of 122002009979 is 979900200221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122002009979 - 220 = 122000961403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122002009919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8225957 + ... + 8240774.

It is an arithmetic number, because the mean of its divisors is an integer number (15808062720).

Almost surely, 2122002009979 is an apocalyptic number.

122002009979 is a deficient number, since it is larger than the sum of its proper divisors (4462491781).

122002009979 is a wasteful number, since it uses less digits than its factorization.

122002009979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16467001.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 122002009979 in words is "one hundred twenty-two billion, two million, nine thousand, nine hundred seventy-nine".

Divisors: 1 31 239 7409 16466731 510468661 3935548709 122002009979